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Submissions from 2024

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Solving Unsteady Potential Flow Problems in O(n) Time, Ryan Anderson and Andrew Ning

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Derivative Propagation Through Vortex Particle Method Simulation, Eric Green and Andrew Ning

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Geometrically Exact Beam Theory for Gradient-Based Optimization, Taylor McDonnell and Andrew Ning

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DuctAPE: A steady-state, axisymmetric ducted fan analysis code designed for gradient-based optimization, Judd Mehr and Andrew Ning

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Review of Computational Models for Large-Scale MDAO of Urban Air Mobility Concepts, Darshan Sarojini, Marius L. Ruh, Jiayao Yan, Luca Scotzniovsky, Nicholas C. Orndorff, Ru Xiang, Han Zhao, Joshua J. Krokowski, Michael Warner, Sebastiaan PC van Schie, Ashley Cronk, Alexandre T. R. Guibert, Jeffrey T. Chambers, Lauren Wolfe, Rachel Doring, Robin Despins, Cibin Joseph, Ryan Anderson, Andrew Ning, Hyunjune Gill, Seongkyu Lee, Zeyu Cheng, Zhi Cao, Chunting Mi, Y Shirley Meng, Christopher Silva, Jiun-Shyan Chen, H. Alicia Kim, and John T. Hwang

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Trajectory Optimization of eVTOL and Conventional Aircraft: A Comparative Analysis of Vortex Particle Method and Vortex Lattice + Blade Element Momentum Theory, Andrew Tagg, Ryan Anderson, Cibin Joseph, and Andrew Ning

Submissions from 2023

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Vortex Particle Method for Electric Ducted Fan in Non-Axisymmetric Flow, Eduardo Alvarez, Cibin Joseph, and Andrew Ning

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Vortex Particle Method Formulation for Meshless Large-Eddy Simulation, Eduardo Alvarez and Andrew Ning

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A Coupled Source Panel, Actuator Line, and Viscous Vortex Particle Method in an O(n) Scheme, Ryan Anderson and Andrew Ning

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Aerostructural Predictions Combining FEniCS and a Viscous Vortex Particle Method, Ryan Anderson, Andrew Ning, Ru Xiang, Sebastiaan P. C. van Schie, Mark Sperry, Darshan Sarojini, David Kamensky, and John T. Hwang

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Thickness-utilizing deployable hard stops for origami-based design applications, David W. Andrews, Spencer P. Magleby, and Larry L. Howell

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Origami fold states: concept and design tool, Alex Avila, Spencer P. Magleby, Robert J. Lang, and Larry L. Howell

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Normalized Coordinate Equations and Energy Method for Predicting Natural Curved-Fold Configurations, Jacob Badger, Todd G. Nelson, Rober J. Lang, Denise M. Halverson, and Larry L. Howell

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On the Modeling of a Contact-Aided Cross-Axis Flexural Pivot, Pietro Bilancia, Giovanni Berselli, Spencer P. Magleby, and Larry L. Howell

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Zero Torque Compliant Mechanisms Employing Pre-Buckled Beams, Pietro Bilancia, Samuel Porter Smith, Giovanni Berselli, Spencer P. Magleby, and Larry L. Howell

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Limits of Extramobile and Intramobile Motion of Cylindrical Developable Mechanisms, Jared Butler, Larry L. Howell, Spencer P. Magleby, and Jacob Greenwood

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A Model for Multi-Input Mechanical Advantage in Origami-Based Mechanisms, Jared Butler, Adam Shrager, Timothy Simpson, Landen Bowen, Mary Frecker, Robert Lang, Eric Wilcox, Paris von Lockette, Larry L. Howell, and Spencer P. Magleby

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Large Eddy Simulation for Empirical Modeling of the Wake of Three Urban Air Mobility Vehicles, Denis-Gabriel Caprace and Andrew Ning

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Symmetric Equations for Evaluating Maximum Torsion Stress of Rectangular Beams in Compliant Mechanisms, Guimin Chen and Larry L. Howell

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Membrane-enhanced Lamina Emergent Torsional Joints for Surrogate Folds, Guimin Chen, Spencer P. Magleby, and Larry L. Howell

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Membrane-enhanced Lamina Emergent Torsional Joints for Surrogate Folds, Guimin Chen, Spencer P. Magleby, and Larry L. Howell

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Low-fidelity design optimization and parameter sensitivity analysis of tilt-rotor eVTOL electric propulsion systems, Tyler Critchfield and Andrew Ning

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Regional Stiffness Reduction Using Lamina Emergent Torsional Joints for Flexible Printed Circuit Board Design, Bryce P. DeFigueiredo, Brian Dale Russell, Trent K. ZImmerman, and Larry L. Howell

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Origami-based Design of Conceal-and-Reveal Systems, Bryce P. DeFigueiredo, Kyler A. Tolman, Spencer P. Magleby, Nathan A. Pehrson, Erica Crampton, and Larry L. Howell

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A Design Approach to Fully Compliant Multistable Mechanisms Employing a Single Bistable Mechanism, Yanjie Gou, Guimin Chen, and Larry L. Howell

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Conceptualizing Stable States in Origami-Based Devices Using an Energy Visualization Approach, Jacob Greenwood, Larry L. Howell, Alex Avila, and Spencer P. Magleby

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Developable Mechanisms on Regular Cylindrical Surfaces, Jacob R. Greenwood, Spencer P. Magleby, and Larry L. Howell

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A Personal Tribute to Professor Ashok Midha, Larry L. Howell

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Developable Mechanisms on Right Conical Surfaces, Lance P. Hyatt, Spencer P. Magleby, and Larry L. Howell

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Large Deflection Analysis of General Beams in Contact-Aided Compliant Mechanisms Using Chained Pseudo-Rigid-Body Model, Mohui Jin, Collin Ynchausti, Xianmin Zhang, Zhou Yang, Benliang Zhu, and Larry L. Howell

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A CPRBM-based method for large-deflection analysis of contact-aided compliant mechanisms considering beam-to-beam contacts, Mohui Jin, Benliang Zhu, Jiasi Mo, Zhou Yang, Xianmin Zhang, and Larry L. Howell

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A Foldable and Reconfigurable Monolithic Reflectarray for Space Applications, Abdul-Sattar Kaddour, Carlos Alberto Velez, Muhammad Hamza, Nathan C. Brown, Collin Ynchausti, Spencer P. Magleby, Larry L. Howell, and Stavros V. Georgakopoulos

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A Foldable and Reconfigurable Monolithic Reflectarray for Space Applications, Abdul-Sattar Kaddour, Carlos Alberto Velez, Muhammad Hamza, Nathan Brown, Collin Ynchausti, Spencer P. Magleby, Larry L. Howell, and Stavros V. Georgakopoulos

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Rigidly Foldable Thick Origami Using Designed-Offset Linkages, Robert J. Lang, Nathan Brown, Brian Ignaut, Spencer P. Magleby, and Larry L. Howell

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Thermal atomization on superhydrophobic surfaces of varying temperature jump length, Eric D. Lee, Daniel Maynes, Julie Crockett, and Brian D. Iverson

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Kinematic/static model of complex compliant mechanisms with serial-parallel substructures: a general approach, Mingxiang Ling, Junyi Cao, and Larry L. Howell

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A pseudo-static model for dynamic analysis on frequency domain of distributed compliant mechanisms, Mingxiang Ling, Larry L. Howell, June Cao, and Zhou Jiang

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Kinetostatic and Dynamic Modeling of Flexure-Based Compliant Mechanisms: A Survey, Mingxiang Ling, Larry L. Howell, Junyi Cao, and Guimin Chen

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Measured spectral, directional radiative behavior of corrugated surfaces, Kyle S. Meaker, Ehsan Modfidipour, Matthew R. Jones, and Brian D. Iverson

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Origami-Inspired Sacrificial Joints for Folding Compliant Mechanisms, Todd G. Nelson, Alex Avila, Larry L. Howell, Just L. Herder, and Davood Farhadi Machekposhtic

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Deployable Convex Generalized Cylindrical Surfaces Using Torsional Joints, Todd G. Nelson, Jared T. Burton, Curtis G. Nelson, Luis M. Baldelomar Pinto, Zhicheng Deng, and Larry L. Howell

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Load-Displacement Characterization in Three Degrees of Freedom for General LET Arrays, Nathan A. Pehrson, Pietro Bilancia, Spencer P. Magleby, and Larry L. Howell

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Ash aerosol particle size distribution, composition, and deposition behavior while co-firing coal and steam-exploded biomass in a 1.5 MWth combustor, Rajarshi Roy, Brian Schooff, Xiaolong Li, Scott Montgomery, Jacob Tuttle, Jost O.L. Wendt, Kingsley Dickson, Brian D. Iverson, and Andrew Fry

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Changes in the mechanical performance of an ortho-planar spring after aging tests, Lucas F. L. Santos, Larry L. Howell, and Jose J. R. d’Almeida

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Heat Set Creases in Polyethylene Terephthalate (PET) Sheets to Enable Origami-Based Applications, Brandon Sargent, Nathan Brown, Brian D. Jensen, Spencer P. Magleby, William G. Pitt, and Larry L. Howell

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An Origami-Based Medical Support System to Mitigate Flexible Shaft Buckling, Brandon Sargent, Jared Butler, Kendall Seymour, David Bailey, Brian D. Jensen, Spencer P. Magleby, and Larry L. Howell

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User Guide for Urban Canopy Modeling in WRF. Version 1.0, Corey L. Smithson, Natalie J. White, Hans R. Klomp, Eric C. Monson, and Bradley R. Adams

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Sparsity for Gradient-Based Optimization of Wind Farm Layouts, Benjamin T. Varela and Andrew Ning

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Analysis of the Rigid Motion of a Conical Developable Mechanism, McKell Woodland, Michelle Hsiung, Erin L. Matheson, C Alex Safsten, Jacob Greenwood, Denise M. Halverson, and Larry L. Howell

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Design of Regular 1D, 2D, and 3D Linkage-Based Tessellations, Alden D. Yellowhorse, Nathan Brown, and Larry L. Howell

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Creating Linkage Permutations to Prevent Self-Intersection and Enable Deployable Networks of Thick-Origami, Alden Yellowhorse, Robert J. Lang, Kyler Tolman, and Larry L. Howell

Submissions from 2022

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FLOWUnsteady: An Interactional Aerodynamics Solver for Multirotor Aircraft and Wind Energy, Eduardo Alvarez, Judd Mehr, and Andrew Ning

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Meshless Large Eddy Simulation of Propeller-Wing Interactions with Reformulated Vortex Particle Method, Eduardo Alvarez and Andrew Ning

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Optimization of solar-coal hybridization for low solar augmentation, Aaron T. Bame, Joseph Furner, Ian Hoag, Kasra Mohammadi, Kody Powell, and Brian D. Iverson

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Incorporating High-Fidelity Aerostructural Analyses in Wind Turbine Rotor Optimization, Denis-Gabriel Caprace, Adam Cardoza, Andrew Ning, Marco Mangano, Sicheng He, and Joaquim R. R. A. Martins

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Large Eddy Simulation of the Wakes of Three Urban Air Mobility Vehicles, Denis-Gabriel Caprace and Andrew Ning

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Effects of rotor-airframe interaction on the aeromechanics and wake of a quadcopter in forward flight, Denis-Gabriel Caprace, Andrew Ning, Philippe Chatelain, and Grégoire Winckelmans

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Impact of zirconia slurry in steel powder on melt pool characteristics in laser powder bed fusion, Taylor Davis, Tracy W. Nelson, and Nathan B. Crane

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Retention Forces for Drops on Microstructured Superhydrophobic Surfaces, Shaur Humayun, R. Daniel Maynes, Julie Crockett, and Brian D. Iverson

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A General Coupling Methodology for Unsteady Aerostructural Optimization with Analytic Derivatives, Taylor McDonnell, Adam Cardoza, Denis-Gabriel Caprace, and Andrew Ning

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GXBeam: A Pure Julia Implementation of Geometrically Exact Beam Theory, Taylor McDonnell and Andrew Ning

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Reliable Mode Tracking for Gradient-Based Optimization with Dynamic Stability Constraints, Taylor McDonnell and Andrew Ning

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A Model to Calculate Fatigue Damage Caused by Partial Waking during Wind Farm Optimization, Andrew P.J. Stanley, Jennifer King, Christopher Bay, and Andrew Ning

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Wake Expansion Continuation: Multi-Modality Reduction in the Wind Farm Layout Optimization Problem, Jared Thomas, Spencer McOmber, and Andrew Ning

Submissions from 2021

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A Comparison of Aerodynamic Models for Optimizing the Takeoff and Transition of a Bi-wing Tailsitter, Ryan Anderson, Jacob Willis, Jacob Johnson, Andrew Ning, and Randal Beard

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Comparison of the Dynamic Thermal Gradient to Temperature-Programmed Conditions in Gas Chromatography Using a Stochastic Transport Model, Samuel Avila, H. Dennis Tolley, Brian D. Iverson, Aaron R. Hawkings, Shawn L. Johnson, and Milton L. Lee

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Comparison of Static Thermal Gradient to Isothermal Conditions in Gas Chromatography Using a Stochastic Transport Model, Samuel Avila, H. Dennis Tolley, Brian D. Iverson, Aaron R. Hawkins, Nathan L. Porter, Shawn L. Johnson, Edgar D. Lee, and Milton L. Lee

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Transient Heat Transfer of Impinging Jets on Superheated Wetting and Non-Wetting Surfaces, D. Jacob Butterfield, Brian D. Iverson, Daniel Maynes, and Julie Crockett

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Optimization of Turbine Tilt in a Wind Farm, James Cutler, Andrew P.J. Stanley, Jared J. Thomas, and Andrew Ning

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Reducing Wind Farm Power Variance from Wind Direction using Wind Farm Layout Optimization, Bertelsen Gagakuma, Andrew P.J. Stanley, and Andrew Ning

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User Guide for Dust Modeling Using CMAQ 5.3.1 and WRF 4.2.1, Zachary D. Lawless, Ariel S. Cable, Cameron B. Van Dyke, and Bradley R. Adams

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Reliable Mode Tracking in Gradient-Based Optimization Frameworks with Flutter Constraints, Taylor McDonnell and Andrew Ning

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Using Blade Element Momentum Methods with Gradient-Based Design Optimization, Andrew Ning

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Operando Measurements of Electrolyte Li-ion Concentration during fast charging with FTIR/ATR, Jason M. Porter, Lydia Meyer, David Curran, Ryan Brow, and Shriram Santhanagopalan

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Review—Operando Optical Spectroscopy Studies of Batteries, Jason M. Porter, Lydia Meyer, and Najmus Saqib

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Temperature and concentration measurements in a high-pressure gasifier enabled by cepstral analysis of dual frequency comb spectroscopy, Jason M. Porter, Paul J. Schroeder, Amanda S. Makowiecki, Madison A. Kelley, Ryan K. Cole, Nathan A. Malarich, Robert J. Wright, and Gregory B. Rieker

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Simulating Capillary Gas Chromatographic Separations including Thermal Gradient Conditions, H. Dennis Tolley, Samuel Avila, Brian D. Iverson, Austin R. Foster, Aaron R. Hawkins, Samuel E. Tolley, and Milton L. Lee

Submissions from 2020

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High-Fidelity Modeling of Multirotor Aerodynamic Interactions for Aircraft Design, Eduardo Alvarez and Andrew Ning

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Rotor-on-Rotor Aeroacoustic Interactions of Multirotor in Hover, Eduardo Alvarez, Austin Schenk, Tyler Critchfield, and Andrew Ning

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3D Interdigitated Vertically Aligned Carbon Nanotube Electrodes for Electrochemical Impedimetric Biosensing, Benjamin J. Brownlee, Jonathan C. Claussen, and Brian D. Iverson

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Additive manufacturing and characterization of AgI and AgI–Al2O3 composite electrolytes for resistive switching devices, Benjamin J. Brownlee, Lok-kun Tsui, Karthik Vempati, John B. Plumley, Brian D. Iverson, Thomas L. Peng, and Fernando H. Garzon

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Tracking joint angles during whole-arm movements using electromagnetic sensors, Ryan Clark, Taylor Dickinson, Johnfredy Loaiza, Daniel W. Geiger, and Steven Knight Charles

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Influence of droplet velocity, spacing, and inter-arrival time on line formation and saturation in binder jet additive manufacturing, Trenton Colton and Nathan B. Crane

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Impact of Part Thickness and Drying Conditions on Saturation Limits in Binder Jet Additive Manufacturing, Nathan B. Crane

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Efficient Incorporation of Fatigue Damage Constraints in Wind Turbine Blade Optimization, Bryce Ingersoll and Andrew Ning

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Gradient-Based Optimization of Solar-Regenerative High-Altitude Long-Endurance Aircraft, Taylor McDonnell and Andrew Ning

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Unsteady Aerodynamic Analysis of Wind Harvesting Aircraft, Judd Mehr, Eduardo Alvarez, and Andrew Ning

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Experimental Demonstration of Heat Loss and Turn-Down Ratio for a Multi-Panel, Actively Deployed Radiator, Rydge B. Mulford, Samuel D. Salt, Lance P. Hyatt, Kyle S. Meaker, Vivek H. Dwivedi, Matthew R. Jones, and Brian D. Iverson

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Impact of Sintering Time and Temperature on Mechanical Properties in Projection Sintering of Polyamide-12, Justin Nussbaum, Taranjot Kaur, Julie Harmon, and Nathan B. Crane

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Porous Silica Nanotube Thin Films as Thermally Insulating Barrier Coatings, Derric B. Syme, Jason M. Lund, Brian D. Jensen, Robert C. Davis, Richard R. Vanfleet, and Brian D. Iverson

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Spectral Absorption Coefficient of Additive Manufacturing Materials, Nicholas J. Wallace, Matthew R. Jones, and Nathan B. Crane

Submissions from 2019

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Modeling Multirotor Aerodynamic Interactions Through the Vortex Particle Method, Eduardo Alvarez and Andrew Ning

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Best Practices for Wake Model and Optimization Algorithm Selection in Wind Farm Layout Optimization, Nicholas F. Baker, Andrew P.J. Stanley, Jared J. Thomas, Andrew Ning, and Katherine Dykes

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Simulated Tremor Propagation in the Upper Limb: From Muscle Activity to Joint Displacement, Thomas Corie and Steven Knight Charles

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Influence of Micro-structured Superhydrophobic Surfaces on Nucleation and Natural Convection in a Heated Pool, Adam Cowley, Daniel Maynes, Julie Crockett, and Brian D. Iverson

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Relative Navigation of Fixed-Wing Aircraft in GPS-Denied Environments, Gary J. Ellingson, Kevin M. Brink, and Timothy McLain

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Combined Trajectory, Propulsion, and Battery Mass Optimization for Solar-Regenerative High-Altitude Long Endurance Unmanned Aircraft, Nathaniel S. Gates, Kevin R. Moore, Andrew Ning, and John D. Hedengren

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Stainless-Steel Column for Robust High Temperature Microchip Gas Chromatography, Abhijit Ghosh, Austin R. Foster, Jacob C. Johnson, Carlos R. Vilorio, Luke T. Tolley, Brian D. Iverson, Aaron R. Hawkins, H. Dennis Tolley, and Milton L. Lee

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Model-Based Control of Soft Actuators Using Learned Non-linear Discrete-Time Models, Phillip Hyatt, David Wingate, and Marc D. Killpack

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An Examination into the Defining Characteristics of Flexible Solar Aircraft Configurations through Optimization, Taylor McDonnell and Andrew Ning